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| FRBA03 |
Design of the Diamond Light Source DMM for the VMXi Beamline |
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- D.J. Butler, J.H. Kelly
DLS, Oxfordshire, United Kingdom
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A Double Multilayer Monochromator (DMM) was designed in-house for the VMXi beam-line. This paper describes the novel engineering solutions employed to build a high stability instrument. PiezoMotor® actuators drive sine-arm Bragg axes for both optics providing the coarse and fine motion in a single actuator. The long translation of the second multilayer is driven externally via a linear shift to eliminate in-vacuum pipe & cable motions. A high stability air bearing translates the whole DMM across the two multilayer stripes. The optics are water cooled via an Indium / Gallium eutectic alloy bath to minimise coupled vibrations. The DMM is operational on the VMXi beam-line, experimental and performance data is presented.
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Slides FRBA03 [8.899 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-MEDSI2016-FRBA03
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| About • |
paper received ※ 09 September 2016 paper accepted ※ 19 September 2016 issue date ※ 22 June 2017 |
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